Impact wrench



FIG. 1 is a right side elevation of an impact wrench of the present invention;

FIG. 2 is a left side elevation of the wrench;

FIG. 3 is a front elevation of the wrench;

FIG. 4 is a rear elevation of the wrench;

FIG. 5 is a top plan of the wrench; and,

FIG. 6 is a bottom plan of the wrench. 

The ornamental design for an impact wrench, as shown and described. 